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5,905
RESULTS

Media Type
5,523
texts
239
audio
137
movies
3
images
1
data
1
education
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Topics & Subjects
3,505
ERIC Archive
1,380
Role Perception
1,202
Perception
752
Visual Perception
673
NASA Technical Reports Server (NTRS)
477
VISUAL PERCEPTION
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Collection
3,505
Education Resources Information Center (ERIC) Archive
673
NASA Network Resource and Training Site
472
Defense Technical Information Archive
332
American Libraries
209
Community Audio
167
The Medical Heritage Library
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Creator
3,505
eric
673
nasa technical reports server (ntrs)
472
defense technical information center
93
edwin vangorder
22
kenneth udut
12
non
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Language
5,481
English
75
German
37
French
4
Russian
2
Handwritten English
2
Italian
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